SVC-05 SERVO PREDICTION AND HIGH POSITION UPDATE RATE TO SUPPORT 10 TERABIT/SQ-IN PATTERNED MEDIA TECHNOLOGY(Servo Control I,Technical Program of Oral Presentations)
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概要
- 論文の詳細を見る
To achieve 10 Terabit/in^2 magnetic recording density, the bit aspect ratio (BAR) is estimated to be ≤ 4 indicating track density of 1.6 to 3.2 MTPI. This is going to place tremendous challenges to servo-mechanical. In this paper, a projection of the required servo sampling rate and bandwidth to achieve 1.6 MTPI is conducted. A method using the preamble field of the data channel is proposed to detect the position error as well as the timing information to increase the sampling rate without increasing overhead. Dual stage control design with a conventional VCM actuator and slider-based MEMs actuator is also preformed to achieve 9 kHz servo bandwidth.
- 一般社団法人日本機械学会の論文
- 2009-06-17
著者
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Teoh Jul
Data Storage Institute
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WONG Wai
Data Storage Institute
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HONG Fan
Data Storage Institute
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ZHANG Songhua
Data Storage Institute
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LIN Yu
Data Storage Institute
関連論文
- SVC-05 SERVO PREDICTION AND HIGH POSITION UPDATE RATE TO SUPPORT 10 TERABIT/SQ-IN PATTERNED MEDIA TECHNOLOGY(Servo Control I,Technical Program of Oral Presentations)
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